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VLAN Tagged traffic

Posted on 2016-11-23
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Last Modified: 2017-01-02
Really dumb question....however I've worked a fair chunk with cisco networks and its coming to the end of a 12 hour day and my brain isn't wanting to figure this out so i require some input.....

If i just want traffic to pass through a switch and i require no management of the switch remotely/ssh Do i require actually setting an IP and gateway?

So for example i have all my ports configured in vlan 20, and native vlan 1 has none. If i dont supply an IP/gateway to vlan 20.... can it still pass vlan 20 traffic?
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Question by:Rob Leaver
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by:Rob Leaver
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Bump this up~!
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Predrag Jovic earned 500 total points
ID: 41900106
If you just create VLAN and assign all ports to that VLAN traffic will be forwarded between ports in that VLAN without any problems.
vlan 20
interface range gi1/0/1 - 48
 switchport mode access
 switchport access vlan 20

Open in new window

In this case all ports are assigned to vlan 20 and traffic will be forwarded between interfaces without any additional configuration.
Also, vlan 20 is not mandatory to be created separately. Adding some port to VLAN will automatically create VLAN 20 if switch is in VTP transparent mode.
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